21410900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{419}}^1$

素因数の和:513

約数の個数: 72

約数和(自身を含む): 53954880

約数和(自身を除く): 32543980

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 73, 100, 140, 146, 175, 292, 350, 365, 419, 511, 700, 730, 838, 1022, 1460, 1676, 1825, 2044, 2095, 2555, 2933, 3650, 4190, 5110, 5866, 7300, 8380, 10220, 10475, 11732, 12775, 14665, 20950, 25550, 29330, 30587, 41900, 51100, 58660, 61174, 73325, 122348, 146650, 152935, 214109, 293300, 305870, 428218, 611740, 764675, 856436, 1070545, 1529350, 2141090, 3058700, 4282180, 5352725, 10705450, 21410900]

約数ペア:

[(1, 21410900), (2, 10705450), (4, 5352725), (5, 4282180), (7, 3058700), (10, 2141090), (14, 1529350), (20, 1070545), (25, 856436), (28, 764675), (35, 611740), (50, 428218), (70, 305870), (73, 293300), (100, 214109), (140, 152935), (146, 146650), (175, 122348), (292, 73325), (350, 61174), (365, 58660), (419, 51100), (511, 41900), (700, 30587), (730, 29330), (838, 25550), (1022, 20950), (1460, 14665), (1676, 12775), (1825, 11732), (2044, 10475), (2095, 10220), (2555, 8380), (2933, 7300), (3650, 5866), (4190, 5110)]